Smart light bulb Electricity Cost in California — $0.55/month (2026)
California monthly
$0.55
U.S. average monthly
$0.32
Difference
+$0.22
← Smart light bulb (all states) · California electricity rate
Quick rate
Daily cost
$0.02
Monthly cost
$0.55
+$0.00 vs typical
Yearly cost
$6.63
kWh / month
1.8 kWh
Local monthly estimate: $0.55 · U.S. average equivalent: $0.32
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ad-after-calculator Quick answer
Running a typical smart light bulb in California costs about $0.02/day or $0.55/month at roughly $0.303/kWh, assuming 5 hours of use per day at 12 W. The U.S. average rate is about $0.180/kWh, so California is roughly 68% higher than average for this estimate.
vs U.S. average
Local rate (California)
$0.303/kWh
Monthly estimate: $0.55
U.S. average rate
$0.180/kWh
Monthly estimate: $0.32
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ad-after-state-table FAQ
- Most smart light bulb units fall between 5 W and 80 W, with 12 W as a typical value for estimates.
- Our calculator uses 12 W as the typical wattage, within a reported range of 5–80 W.
- At 5 hours/day and 12 W, the estimate is about 0.06 kWh per day.
- Using 5 hours/day, the estimate is about 1.8 kWh per month.
- Per hour, smart light bulb uses about 0.012 kWh (at 12 W).
- At typical use (12 W and 5 hours/day), the estimate is about $0.02/day at roughly $0.303/kWh.
- At typical use (12 W and 5 hours/day), the estimate is about $0.55/month at roughly $0.303/kWh.
- Running for one hour at 12 W costs about $0.004 per hour (using the California rate of about $0.303/kWh).
- For typical use, the calculator estimates about $0.55/month for smart light bulb in California.
- At the typical California residential rate, the estimate is about 1.8 kWh per month, which corresponds to roughly $0.55/month for smart light bulb.
- Compared to the U.S. average, California is about 68% higher for this estimate. Monthly cost is about $0.55 in California vs $0.32 at the national average.
- Start with practical steps from our tips list (e.g., Avoid running this appliance longer than you need each day.). Smaller changes reduce kWh usage, which reduces the bill at your local rate.
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How much does it cost to run a smart light bulb per month in California?
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Est. monthly at California rate ($0.303/kWh)